// Copyright 2017 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE-BSD file. See the AUTHORS file for names of contributors.

// SPDX-License-Identifier: Apache-2.0
// Copyright 2020, Intel Corporation

#ifndef STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_
#define STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_

namespace leveldb
{

class EnvPosixTest;

// A helper for the POSIX Env to facilitate testing.
class EnvPosixTestHelper {
private:
	friend class EnvPosixTest;

	// Set the maximum number of read-only files that will be opened.
	// Must be called before creating an Env.
	static void SetReadOnlyFDLimit(int limit);

	// Set the maximum number of read-only files that will be mapped via mmap.
	// Must be called before creating an Env.
	static void SetReadOnlyMMapLimit(int limit);
};

} // namespace leveldb

#endif // STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_
